drew1200p9konv
drew1200p9konv
02-06-2018
Mathematics
contestada
What is the value of x?
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vidalmari6p99qfk
vidalmari6p99qfk
02-06-2018
x=21
x-4 + 3x +100=180
x + 3x =84(180-100-4)
4x=84
x=21
x-4=17
3x21=63
100+21+63=180
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torie001
torie001
02-06-2018
x=21
since there are 180° in a triangle you just have to make sure its equal,so it would be :
(21-4)+(3 *21)=100°
17+63+100=180
there for x equals 21
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